Six Explosives Companies
Plead Guilty to Price-Fixing

WASHINGTON -- The Justice Department said six explosives companies pleaded guilty to criminal price-fixing charges and agreed to pay more than $900,000 in fines.

The charges involve price-fixing and bid-rigging on the sale of commercial explosives such as blasting caps. The pleas are the latest in a continuing Justice Department investigation of collusion in the industry. So far, 10 companies and an individual have pleaded guilty and...